About Us. LUMINIOUS TRADERS is a trusted manufacturer, trader, supplier and exporter of a wide range of Road Safety Products. The product array, we offer, includes Road Studs, Solar Road Studs, Aluminum Road Studs, Raised Pavement Marker, RPM Shank, Median Marker, Square Base Cone, Sponsors Cone, Triangular Base Cone, Hexagonal Base Cone, MS Road Delineators, Spring Post, Gurd Rail Reflector,